Indeed, sea ice cover in the Arctic is melting faster than expected.
事实上，覆盖在北极的海中的冰正在以比预期更快的速度融化。
King penguins are the second-largest type of penguin and only breed on specific isolated islands in the Southern Ocean where there is no ice cover and easy access to the sea.
帝企鹅是企鹅的第二大种类，它们只在南大洋的特定孤岛上繁殖，那里没有冰层覆盖，很容易进入大海。
Thus, although the winter sea-ice cover might decrease, the surface waters would remain cold enough so that the decrease would not be excessive.
因此，虽然冬季海冰覆盖面积可能减少，但表层水将足够冰冷，因此海冰覆盖面积不会减少太多。
Indeed, sea-ice cover in the Arctic is melting faster than expected.
事实上，北极海冰的融化速度比预期的要快。
As such, they back the contention that rising temperatures are cutting ice cover across the region, including along the fringes of Greenland; but not anything like as fast as the Times Atlas claimed.
因此，他们支持不断上升的气温正在削减整个地区的冰层覆盖的内容，包括沿着格陵兰岛的边缘；但是，并不像泰晤士报的地图册所宣称的那样快。
As we lose the ice cover, we start to change the nature of that refrigerator, and what happens up there affects what happens down here in the middle latitudes, "he said."
我们失去冰层时，我们在改变这个冰箱的实质。在那上面所发生的，影响中纬度地区这里发生的事情，“他说。”
The photographs, taken by spy satellites over the past decade, confirm that in recent years vast areas in high latitudes have lost their ice cover in summer months.
图片是过去十年间由美国间谍卫星拍摄的，它们证实了，在最近几年，大面积高纬度区域在夏天失去了冰层的覆盖。
Ice cover for 2008 was almost as bad as for 2007, and this year levels look equally sparse.
2008年的冰层覆盖情况几乎和2007一样糟，今年的情况仍然没有好转。
The researchers created a computer model simulating the impact on weather patterns of a gradual reduction of winter ice cover in the Barents-Kara sea, north of Scandinavia.
研究人员制造了一个电脑模型，用来模拟在斯堪的纳维亚北部的巴伦支海不断减少冬季冰雪覆盖的情况下，对气候类型产生的影响。
The rate of melting in the Arctic isn't just a function of temperature change; local weather conditions, snow cover and ocean currents can also influence ice loss.
北极冰的融化速度加快只是气温变化的一种后果；当地的天气状况，冰雪覆盖程度和洋流都影响着冰的消融。
The trend also helped to melt Arctic sea ice cover to a record low for December last month, the WMO said in a statement.
世界气象组织称，这个趋势使北冰洋的冰雪覆盖面于上个月十二月份达到历史最低。
There is a lot of ice on antarctica-enough to cover the United States to a depth of 1.5 miles.
南极的冰量巨大，足以以1.5英里的厚度覆盖美国全境。
Local weather conditions, snow cover and ocean currents can also influence ice loss.
当地的天气状况，冰雪覆盖程度和洋流都影响着冰的消融。
These huge, slow-moving masses of ice cover about seventy-five thousand square kilometers. About one hundred thousand of these rivers of ice flow down mountains.
这些巨大的、缓慢流动的冰河，其覆盖面积达75000平方公里，在这些冰河中大约有十万条冰河流下山。
In 2008 and 2009, scientists feared the record-thin Arctic ice cover might melt away.
在2008年和2009年，科学家们担心那个记录——薄北极冰盖可能全部融化。
Therefore, changes in the sea ice cover have a significant effect on the global energy balance.
因此，海冰覆盖状态的变化能给全球能量平衡带来巨大影响。
The researchers proposed that, if sulfate-reducing bacteria Numbers jumped as ice cover dropped, they should see increasing levels of inorganic sulfur over time.
研究人员认为，如果硫酸盐还原细菌的数量随冰盖减少而大量增加，他们也会看到无机硫水平也会随时间而不断增高。
The discrepancy can be explained by long term changes in vegetation and ice cover.
植被和冰层覆盖的长期变化能够说明这种差异。
Losing sea ice cover in the Arctic would affect everything from the obvious, such as people who live in the far north and polar bears, to global weather patterns, said Serreze.
谢瑞兹说，失去北极海面上的冰会影响每一样东西——从显而易见的，如同住在极北之地的人们和北极熊，到全球气候模式。
Pervasive ice cover for eight to nine months out of the year can block relief ships in case of a blowout.
如果发生井喷，一年中八到九个月无处不在的冰盖会阻挡救援船队。
The most powerful of feedbacks in the Arctic is sea ice and snow cover, said Miller, the lead author on a paper about past "Arctic amplification" in the journal Quaternary Science Reviews.
在北极，反馈最强的莫过于海冰和积雪，米勒说，他是第四纪科学评论杂志中关于过去“北极的放大效应”一文的主要作者。
The iceberg that eventually calves from the breaking ice shelf will cover around 880 square kilometres, project scientists said.
负责该项目的科学家说，最终从破裂的冰架上分离出来的冰山会有约880平方公里。
A couple of high winds here, an abnormal cold snap there, and ice cover that had looked fragile can suddenly appear robust.
这里几股疾风，那里一袭非同寻常的寒流，而且先貌似不堪一击的冰盖突然变得结实。
Hence, sea ice extent is primarily defined by the prevailing climate conditions; the ice-albedo feedback mechanism is, in isolation, too weak to stabilize a very low sea-ice cover.
由此可见，海冰范围首先由占主导地位的气候状况决定；单独来看，冰反射反馈机制的影响太过微弱，无法长期保持极低水平的海冰覆盖。
Among the various influences on the Earth's crust, from changes in weather to fluctuations in ice cover, the oceans are emerging as a particularly fine controller.
影响地壳活动因素，多种多样。从气候变化到冰层波动，海洋正在成为一个特别的晴雨表。
But as it happened, ice cover in 2008 and 2009 rebounded significantly - but perhaps deceptively so.
但由于风吹过，冰盖面积在2008年和2009年明显回升-但也许这些只是暂时的假象。
Arctic sea-ice cover reached its lowest ever recorded average level for the month of June.
六月，北极海冰的覆盖面积达到历史平均记录的最低点。
This difference allows the satellite to capture a year-round sea ice record, despite cloud cover and months of polar night.
这种差别使得卫星能够获取整年的海冰记录，除非出现云层遮蔽或极夜的月份。
Marika Holland: I think it’s a strong suggestion that reducing emissions of greenhouse gases, fossil fuel burning can actually have an impact on Arctic sea ice cover, that not all hope is lost.
玛丽卡•霍兰德：我觉得这充分说明了，减少温室气体排放量和化石燃料燃烧确能阻止北冰洋海冰消融，我们仍然存有一线希望。
Marika Holland: I think it’s a strong suggestion that reducing emissions of greenhouse gases, fossil fuel burning can actually have an impact on Arctic sea ice cover, that not all hope is lost.
玛丽卡•霍兰德：我觉得这充分说明了，减少温室气体排放量和化石燃料燃烧确能阻止北冰洋海冰消融，我们仍然存有一线希望。
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